From: Gao Xiang via Linux-erofs <linux-erofs@lists.ozlabs.org>
To: linux-erofs@lists.ozlabs.org
Cc: Zhang Shiming <zhangshiming@oppo.com>, Guo Weichao <guoweichao@oppo.com>
Subject: [WIP] [PATCH 07/12] erofs-utils: fuse: refuse a undefined shifted cluster behavior
Date: Sat, 17 Oct 2020 13:16:16 +0800 [thread overview]
Message-ID: <20201017051621.7810-8-hsiangkao@aol.com> (raw)
In-Reply-To: <20201017051621.7810-1-hsiangkao@aol.com>
[ let's fold in to the original patch. ]
Cc: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Gao Xiang <hsiangkao@aol.com>
---
fuse/decompress.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fuse/decompress.c b/fuse/decompress.c
index 4b7cf3211319..4a9f8e7995c1 100644
--- a/fuse/decompress.c
+++ b/fuse/decompress.c
@@ -18,8 +18,11 @@ static int z_erofs_shifted_transform(struct z_erofs_decompress_req *rq)
char *dest = rq->out;
char *src = rq->in + rq->ofs_head;
- memcpy(dest, src, rq->outputsize - rq->ofs_head);
+ if (rq->inputsize != EROFS_BLKSIZ)
+ return -EFSCORRUPTED;
+ DBG_BUGON(rq->outputsize > EROFS_BLKSIZ);
+ memcpy(dest, src, rq->outputsize - rq->ofs_head);
return 0;
}
--
2.24.0
next prev parent reply other threads:[~2020-10-17 5:18 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201017051621.7810-1-hsiangkao.ref@aol.com>
2020-10-17 5:16 ` [WIP] [PATCH 00/12] erofs-utils: introduce fuse implementation Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 01/12] " Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 02/12] erofs-utils: fuse: support read special file Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 03/12] erofs-utils: fuse: support read compressed file Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 04/12] erofs-utils: fuse: adjust larger extent handling Gao Xiang via Linux-erofs
2020-10-19 3:13 ` 回复: " huangjianan
2020-10-19 3:32 ` Gao Xiang via Linux-erofs
2020-10-19 4:49 ` 回复: " Huang Jianan
2020-10-19 3:37 ` 回复: " Huang Jianan
2020-10-19 3:43 ` Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 05/12] erofs-utils: fuse: use proper expression about inode size Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 06/12] erofs-utils: fuse: drop ofs_out Gao Xiang via Linux-erofs
2020-10-17 5:16 ` Gao Xiang via Linux-erofs [this message]
2020-10-17 5:16 ` [WIP] [PATCH 08/12] erofs-utils: fuse: drop z_erofs_shifted_transform() Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 09/12] erofs-utils: fuse: rename ofs_head and outputsize Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 10/12] erofs-utils: fuse: cleanup erofs_read_data_compression() Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 11/12] erofs-utils: fuse: move up mpage in struct erofs_map_blocks Gao Xiang via Linux-erofs
2020-10-17 5:16 ` [WIP] [PATCH 12/12] erofs-utils: fuse: fix up source headers Gao Xiang via Linux-erofs
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201017051621.7810-8-hsiangkao@aol.com \
--to=linux-erofs@lists.ozlabs.org \
--cc=guoweichao@oppo.com \
--cc=hsiangkao@aol.com \
--cc=zhangshiming@oppo.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.